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Intel Lynnfield Core i7-870 and ASUS P7P55D - Benchmarks: SuperPi, wPrime

SuperPi and wPrime are pure mathematical tests and puts a big load on the processors. These are highly synthetic tests that have never worked well for AMD, but it could still be an interesting comparison between Core i7-870 and Core i7-965.

SuperPI
1M [s]
i7-870 OC (4.00GHz)
  10.327
 
i7-965 (3.20GHz)
  12.266
 
i7-870 (2.93GHz)
  13.104
 
Phenom II 965 (3.40GHz)
  20.249
 
  0 5 10 15 20 25

SuperPI
32M [s]
i7-870 OC (4.00GHz)
  570.119
 
i7-965 (3.20GHz)
  668.469
 
i7-870 (2.93GHz)
  711.907
 
Phenom II 965 (3.40GHz)
  1226.88
 
  0 300 600 900 1200 1500

SuperPi is single-threaded and does not utilize the extra cores or HyperThreading support. Despite that we can see that Core i7-965 keeps a margin to Core i7-870, which is most likely because of the higher memory bandwidth, which plays a big role in this tests.

wPrime is, unlike SuperPi, multi-threaded and starts a process for each physical and virtual core. In other words, four threads for Phenom II, and eight threads with the two Core i7 processors with HyperThreading enabled.

wPrime
32M [s]
i7-870 OC (4.00GHz)
  6.413
 
i7-870 (2.93GHz)
  8.004
 
i7-965 (3.20GHz)
  8.189
 
Phenom II 965 (3.40GHz)
  11.106
 
  0 3 6 9 12 15

wPrime
1024M [s]
i7-870 OC (4.00GHz)
  196.935
 
i7-965 (3.20GHz)
  242.032
 
i7-870 (2.93GHz)
  246.248
 
Phenom II 965 (2.40GHz)
  348.945
 
  0 100 200 300 400 500

Once again AMD has a hard time keeping up, but interestingly Lynnfield actually collects the victory in the 32M tests, which is really impressive and a bit surprising since Turbo Boost should not kick in here.

Moving on to less synthetic tests.

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